4.Quick reference manual
4.1 Special memory area:
SMB0 Always_On
SM0.0 Always ON
First_Scan_On
SM0.1 ON for the first scan cycle only
SMB1
Set to 1 by the execution of certain instructions when the operation result = 0 Set to 1 by exec. of certain instructions on overflow or illegal numeric value. Set to 1 when a math operation produces a negative result
Result_0
SM1.0
Overflow_Illegal SM1.1
Neg_Result
SM1.2
Divide_By_0
SM1.3 Set to 1 when an attempt is made to divide by zero
Set to 1 when the Add to Table instruction attempts to overfill the table Set to 1 when a LIFO or FIFO instruction attempts to read from an empty table Set to 1 when an attempt is made to convert a non-BCD value to a binary value Set to 1 when an ASCII value cannot be converted to a valid hexadecimal value
Table_Overflow
SM1.4
Table_Empty
SM1.5
Not_BCD
SM1.6
Not_Hex
SM1.7
SMB34 - SMB35 Time Interval Registers for Timed Interrupts
Timed Interrupt 0: Time interval value (in 1 ms increments from 1 ms to 255 ms). Timed Interrupt 1: Time interval value (in 1 ms increments from 1 ms to 255 ms).
Time_0_Intrvl
SMB34
Time_1_Intrvl
SMB35
4.2Interrupt Events:
I1.2 Rising edge PLC_EVENT_INPUTP0 0 Highest priority
I1.4 Rising edge PLC_EVENT_INPUTP1 1 High priority
Timer interrupt 0 PLC_EVENT_TIMER0 10 Low priority
Timer interrupt 1 PLC_EVENT_TIMER1 11 Lowest priority
4.3 High speed counter ：
PR - 24DC - DA - R/PR - 24DC - DAI - RTA I1.0 HC0 I1.1 HC1 I1.2 HC2
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